@antonyb12000 Your Satellite Deco M5 are very well placed. They each have good WiFi backhaul link. If someone decided their location or you did it yourself: good job. Also, your Satellite Deco are...

@antonyb12000 I have Deco M5 units with my Deco mesh, I tested their speed. Under ideal conditions, Main Deco M5 should deliver up to 475Mbps. Which means, if you are getting between 300Mbps-400Mbps...

@antonyb12000 That proves the wired link between Main Deco and modem/router is good. If there are issues with Ethernet cable between them, Main Deco may drop link speed to 100Mbps. With Deco M5 you...

@antonyb12000 You should expect betters speeds. There may be multiple reasons why you see 80Mbps. Let's start with simple one: in Deco app, there should be Test Internet Speed button on main screen....

@emmetbroaders It is not just single vesrion of a single Deco model that has configurable connection settings, but S7 is not on the list: https://community.tp-link.com/en/home/forum/topic/614754 Can...

@Nielo Another option would have been to put everyone on Guest Network and turn it on/off. There is ON/OFF toggle for Guest Network in Deco mesh, but I would not recommend that: unfortunately, when...